Entry Catalyst CH2SO4 /mmol L-1 Yield /mg g-1 Yield /mg g-1 Yield /mg g-1
HB PHB Total
1 - 12.5 27.9 - 62.1
2 CuSO4 - 18.2 6.6 61.9
3 FeSO4 12.5 21.8 23.6 69.2
4 CuSO4 12.5 32.2 13.0 89.3
5 ZnSO4 12.5 18.2 8.8 88.4
6 MgSO4 12.5 14.3 - 50.0
7 Na2SO4 12.5 5.0 10.8 62.5
8 Fe2(SO4)3 12.5 15.9 22.0 45.2